UpdateWindow (Windows Embedded CE 6.0)

1/6/2010

This function updates the client area of the specified window by sending a WM_PAINT message to the window if the window's update region is not empty.

UpdateWindow sends a WM_PAINT message directly to the window procedure of the specified window, bypassing the application queue.

If the update region is empty, no message is sent.

Syntax

BOOL UpdateWindow( 
  HWND hWnd
);

Nonzero indicates success.

Zero indicates failure.

To get extended error information, call GetLastError.